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An article in a journal examined the attitudes of three groups of professionals on the condition of the environment, and quantified their responses on a seven-point scale (1 = no problem to 7 = disaster very likely). The mean scores for the groups are: A: 4.90 , B: 4.55 , and C: 4.51 . Using an experimentalwise error rate of a = .05, Tukey's minimum significance for comparing means is 0.29. Use this information to conduct a multiple comparisons of the means.

An article in a journal examined the attitudes of three groups of professionals on the condition of the environment, and quantified their responses on a seven-point scale (1 = no problem to 7 = disaster very likely). The mean scores for the groups are: A: 4.90 , B: 4.55 , and C: 4.51 . Using an experimentalwise error rate of a = .05, Tukey's minimum significance for comparing means is 0.29. Use this information to conduct a multiple comparisons of the means.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
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Solve the problem. An article in a journal examined the attitudes of three groups of professionals on the condition of the environment, and quantified their responses on a seven-point scale (1= no problem to 7 = disaster very likely). The mean scores for the groups are: A: 4.90 , B: 4.55 , and C: 4.51 . Using an experimentalwise error rate of a = .05, Tukey's minimum significance for comparing means is 0.29. Use this information to conduct a multiple comparisons of the means. O The lowest mean differs significantly from the other two, but there is no significant difference in the other two means. O All means are significantly different. O The highest mean differs significantly from the other two, but there is no significant difference in the other two means. O There is no significant difference in any of the means.
Transcribed Image Text:Solve the problem. An article in a journal examined the attitudes of three groups of professionals on the condition of the environment, and quantified their responses on a seven-point scale (1= no problem to 7 = disaster very likely). The mean scores for the groups are: A: 4.90 , B: 4.55 , and C: 4.51 . Using an experimentalwise error rate of a = .05, Tukey's minimum significance for comparing means is 0.29. Use this information to conduct a multiple comparisons of the means. O The lowest mean differs significantly from the other two, but there is no significant difference in the other two means. O All means are significantly different. O The highest mean differs significantly from the other two, but there is no significant difference in the other two means. O There is no significant difference in any of the means.
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